Finding the Fourth Proportional to 354,593.75, 489,319.44 and 201,669.14
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Solution
The fourth proportional to 354,593.75, 489,319.44 and 201,669.14 is: 278,292.07
Step by Step Solution
- Step 1: Write the proportion equation
354,593.75 : 489,319.44 = 201,669.14 : x - Step 2: Convert to fraction form
354,593.75/489,319.44 = 201,669.14/x - Step 3: Cross multiply
354,593.75x = 489,319.44 × 201,669.14 - Step 4: Simplify right side
354,593.75x = 98,680,628,203.48 - Step 5: Solve for x
x = 98,680,628,203.48/354,593.75 - Step 6: Final answer
x = 278,292.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.